package com.parfois.utils;

import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.ScrollView;

public class MyScrollView extends ScrollView {
    private float xDistance, yDistance, xLast, yLast;
    public MyScrollView(Context context) {
        super(context);
    }
    public MyScrollView(Context context,AttributeSet attrs){
        super(context, attrs);
    }
    public MyScrollView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }
    @Override
    public boolean onInterceptTouchEvent(MotionEvent ev) {
        switch (ev.getAction()) {
        case MotionEvent.ACTION_DOWN:
        xDistance = yDistance = 0f;
        xLast = ev.getX();
        yLast = ev.getY();
        break;
        case MotionEvent.ACTION_MOVE:
        final float curX = ev.getX();
        final float curY = ev.getY();
 
        xDistance += Math.abs(curX - xLast);
        yDistance += Math.abs(curY - yLast);
        xLast = curX;
        yLast = curY;
 
        if (xDistance > yDistance) {
        return false;
        }
        }
        return super.onInterceptTouchEvent(ev);
    }
}